Nunjucks documentation

[daylesalmon]

Create component examples in Nunjucks and add documentation for them. If the below is checked, then it has been completed and merged into the release branch.

• [x] Breadcrumb | Houston
• [x] Buttons | Catia #534
• [x] Content card | Houston
• [x] Content tiles (deprecated)
• [x] Details | Catia #535
• [x] Disruption indicators | Houston #568
• [x] File download | Houston
• [x] Form elements | Houston #570
  • [x] Form Label | Houston #571
  • [x] Question | Houston #572
  • [x] Progress indicator | Houston #573
  • [x] Checkboxes | Houston #580
  • [x] Dropdown | Houston #583
  • [x] Text Input / Text Field | Catia #585
  • [x] Date Input | Catia #588
  • [x] Radios | Houston #584
  • [x] File uploader | Catia #587
  • [x] Textarea | Catia #581
  • [x] Handling errors | Catia #582
• [x] In-text step | Houston #569
• [x] Inset text | Houston
• [x] Links | Catia #536
• [x] Lists | Houston | #589
• [x] Loader | Houston
• [x] Message | Houston #554
• [x] Phase indicator | Houston #555
• [x] Table | Houston #540
• [x] Warning text | Dayle

Patterns

• [x] Autocomplete
• [x] Banner
• [ ] Contact details
• [ ] Content cards
• [ ] Cookies
• [ ] Feedback loop
• [ ] Footer
• [ ] Header
• [ ] Question form
• [ ] Search

[daylesalmon]

All components now have documentation, this went live in version 1.2.0 of the design system.